Finding the Fourth Proportional to 160,870.88, 222,001.83 and 89,251.42

Step by Step Solution

1. Step 1: Write the proportion equation
   160,870.88 : 222,001.83 = 89,251.42 : x
2. Step 2: Convert to fraction form
   160,870.88/222,001.83 = 89,251.42/x
3. Step 3: Cross multiply
   160,870.88x = 222,001.83 × 89,251.42
4. Step 4: Simplify right side
   160,870.88x = 19,813,978,349.79
5. Step 5: Solve for x
   x = 19,813,978,349.79/160,870.88
6. Step 6: Final answer
   x = 123,166.96